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added DRC check for rotated rectangular pads

This commit is contained in:
diemer 2009-09-07 13:28:11 +00:00
parent 7c7d675cbf
commit 9022898040
1 changed files with 58 additions and 3 deletions
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61
pcbnew/drc.cpp
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@ -1054,6 +1054,15 @@ bool DRC::doPadToPadsDrc( D_PAD* aRefPad, LISTE_PAD* aStart, LISTE_PAD* aEnd,
}
// Rotate a vector by an angle
wxPoint rotate(wxPoint p, int angle){
wxPoint n;
float theta = M_PI * angle/1800;
n.x = float(p.x) * cos(theta) - float(p.y) * sin(theta);
n.y = p.x * sin(theta) + p.y * cos(theta);
return n;
}
/**************************************************************************************/
bool DRC::checkClearancePadToPad( D_PAD* aRefPad, D_PAD* aPad, const int dist_min )
/***************************************************************************************/
@ -1075,8 +1084,7 @@ bool DRC::checkClearancePadToPad( D_PAD* aRefPad, D_PAD* aPad, const int dist_mi
bool diag = true;
/* tst rapide: si les cercles exinscrits sont distants de dist_min au moins,
* il n'y a pas de risque: */
/* Quick test: Clearance is OK if the bounding circles are further away than dist_min.*/
if( (dist - aRefPad->m_Rayon - aPad->m_Rayon) >= dist_min )
goto exit;
@ -1143,8 +1151,55 @@ bool DRC::checkClearancePadToPad( D_PAD* aRefPad, D_PAD* aPad, const int dist_mi
}
else // Any other orient
{
/* TODO : any orient ... */
/* Use TestForIntersectionOfStraightLineSegments() for all 4 edges (segments).*/
/* Test if one center point is contained in the other and thus the pads overlap.
* This case is not covered by the following check if one pad is
* completely contained in the other (because edges don't intersect)!
*/
if ( ( (dist < aPad->m_Size.x) && (dist < aPad->m_Size.y) )||
( (dist < aRefPad->m_Size.x) && (dist < aRefPad->m_Size.y) )){
diag = false;
}
// Vectors from center to corner
wxPoint aPad_c2c = wxPoint(aPad->m_Size.x/2, aPad->m_Size.y/2);
wxPoint aRefPad_c2c = wxPoint(aRefPad->m_Size.x/2, aRefPad->m_Size.y/2);
for (int i=0; i<4; i++){ // for all edges in aPad
wxPoint p11 = aPad->ReturnShapePos() + rotate(aPad_c2c, aPad->m_Orient);
// flip the center-to-corner vector
if (i%2 == 0){
aPad_c2c.x = -aPad_c2c.x;
}else{
aPad_c2c.y = -aPad_c2c.y;
}
wxPoint p12 = aPad->ReturnShapePos() + rotate(aPad_c2c, aPad->m_Orient);
for (int j=0; j<4; j++){// for all edges in aRefPad
wxPoint p21 = aRefPad->ReturnShapePos() + rotate(aRefPad_c2c, aRefPad->m_Orient);
// flip the center-to-corner vector
if (j%2 == 0){
aRefPad_c2c.x = -aRefPad_c2c.x;
}else{
aRefPad_c2c.y = -aRefPad_c2c.y;
}
wxPoint p22 = aRefPad->ReturnShapePos() + rotate(aRefPad_c2c, aRefPad->m_Orient);
int x,y;
double d;
int intersect = TestForIntersectionOfStraightLineSegments( p11.x, p11.y, p12.x, p12.y,
p21.x, p21.y, p22.x, p22.y,
&x, &y, &d);
;
if (intersect || (d< dist_min)){
diag=false;
}
}
}
}
}else{
// TODO: Pad -> other shape!
}
break;